20840335958

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3541}}^1\times {\mathrm{4271}}^1$

素因数の和:7880

約数の個数: 32

約数和(自身を含む): 34318069632

約数和(自身を除く): 13477733674

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 3541, 4271, 7082, 8542, 46033, 55523, 92066, 111046, 187673, 226363, 375346, 452726, 2439749, 2942719, 4879498, 5885438, 15123611, 30247222, 196606943, 393213886, 801551383, 1603102766, 10420167979, 20840335958]

約数ペア:

[(1, 20840335958), (2, 10420167979), (13, 1603102766), (26, 801551383), (53, 393213886), (106, 196606943), (689, 30247222), (1378, 15123611), (3541, 5885438), (4271, 4879498), (7082, 2942719), (8542, 2439749), (46033, 452726), (55523, 375346), (92066, 226363), (111046, 187673)]